(when buffer-file-name
(shell-quote-argument buffer-file-name)))))
- ;; For emacs < 25.1 where `eldoc-documentation-function' defaults to
- ;; nil.
- (or eldoc-documentation-function
- (setq-local eldoc-documentation-function #'ignore))
- (add-function :before-until (local 'eldoc-documentation-function)
- #'cfengine3-documentation-function)
+ (if (boundp 'eldoc-documentation-functions)
+ (add-hook 'eldoc-documentation-functions
+ #'cfengine3-documentation-function nil t)
+ ;; For emacs < 25.1 where `eldoc-documentation-function' defaults to
+ ;; nil.
+ (or eldoc-documentation-function
+ (setq-local eldoc-documentation-function #'ignore))
+ (add-function :before-until (local 'eldoc-documentation-function)
+ #'cfengine3-documentation-function))
(add-hook 'completion-at-point-functions
#'cfengine3-completion-function nil t)